diff --git a/pom.xml b/pom.xml
index ff0eb32..89b958d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.0.0.CR2</version>
+            <version>4.0.12.Final</version>
         </dependency>
         <dependency>
             <groupId>redis.clients</groupId>
diff --git a/src/main/java/org/n3r/shorturl/netty/NettyHttpServerHandlerAdapter.java b/src/main/java/org/n3r/shorturl/netty/NettyHttpServerHandlerAdapter.java
index 33175e3..ed1e8f2 100644
--- a/src/main/java/org/n3r/shorturl/netty/NettyHttpServerHandlerAdapter.java
+++ b/src/main/java/org/n3r/shorturl/netty/NettyHttpServerHandlerAdapter.java
@@ -2,7 +2,7 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelInboundMessageHandlerAdapter;
+import io.netty.channel.ChannelInboundHandlerAdapter;
 import io.netty.handler.codec.http.DefaultHttpResponse;
 import io.netty.handler.codec.http.HttpContent;
 import io.netty.handler.codec.http.HttpHeaders;
@@ -18,7 +18,7 @@
 import java.util.Map;
 import java.util.Map.Entry;
 
-public class NettyHttpServerHandlerAdapter extends ChannelInboundMessageHandlerAdapter<Object> {
+public class NettyHttpServerHandlerAdapter extends ChannelInboundHandlerAdapter {
 
     private HttpRequest request;
 
@@ -34,7 +34,8 @@ public NettyHttpServerHandlerAdapter(NettyHttpServerHandler handler) {
     }
 
     @Override
-    public void endMessageReceived(ChannelHandlerContext ctx) throws Exception {
+    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
+    	super.channelReadComplete(ctx);
         ctx.flush();
     }
 
@@ -45,7 +46,7 @@ public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws E
     }
 
     @Override
-    public void messageReceived(ChannelHandlerContext ctx, Object msg) throws Exception {
+    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
         if (msg instanceof HttpRequest) {
             request = (HttpRequest) msg;
 
@@ -87,7 +88,7 @@ public void messageReceived(ChannelHandlerContext ctx, Object msg) throws Except
 
     private static void send100Continue(ChannelHandlerContext ctx, HttpRequest request) {
         HttpResponse response = new DefaultHttpResponse(request.getProtocolVersion(), HttpResponseStatus.CONTINUE);
-        ctx.nextOutboundMessageBuffer().add(response);
+        ctx.write(response);
     }
 
 }
diff --git a/src/main/java/org/n3r/shorturl/netty/ShortUrlNettyHandler.java b/src/main/java/org/n3r/shorturl/netty/ShortUrlNettyHandler.java
index 433bdb5..639a584 100644
--- a/src/main/java/org/n3r/shorturl/netty/ShortUrlNettyHandler.java
+++ b/src/main/java/org/n3r/shorturl/netty/ShortUrlNettyHandler.java
@@ -1,7 +1,6 @@
 package org.n3r.shorturl.netty;
 
 import io.netty.buffer.Unpooled;
-import io.netty.channel.ChannelFutureListener;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.http.DefaultFullHttpResponse;
 import io.netty.handler.codec.http.FullHttpResponse;
@@ -18,9 +17,8 @@
 public class ShortUrlNettyHandler implements NettyHttpServerHandler {
     public static final RedisClient redis = new RedisClient("132.35.81.197:6379");
 
-    @Override
     public void handle(ChannelHandlerContext ctx, HttpRequest request, String urlPattern, Map<String, String> parameters) {
-        String rspCnt = "/favicon.ico".equalsIgnoreCase(urlPattern) ? "" : "/generate".equalsIgnoreCase(urlPattern) ?
+    	String rspCnt = "/favicon.ico".equalsIgnoreCase(urlPattern) ? "" : "/generate".equalsIgnoreCase(urlPattern) ?
                 generate(ctx, request, parameters) : query(ctx, request, parameters);
 
         FullHttpResponse response = createResponse(request, rspCnt);
@@ -31,10 +29,10 @@ public void handle(ChannelHandlerContext ctx, HttpRequest request, String urlPat
             response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
         }
 
-        ctx.nextOutboundMessageBuffer().add(response);
+        ctx.write(response);
 
         if (!keepAlive) {
-            ctx.flush().addListener(ChannelFutureListener.CLOSE);
+            ctx.flush().close();
         }
     }
 
diff --git a/src/main/java/org/n3r/shorturl/redis/RedisClient.java b/src/main/java/org/n3r/shorturl/redis/RedisClient.java
index a91084b..fdbad1d 100644
--- a/src/main/java/org/n3r/shorturl/redis/RedisClient.java
+++ b/src/main/java/org/n3r/shorturl/redis/RedisClient.java
@@ -1,91 +1,90 @@
-package org.n3r.shorturl.redis;
-
-import java.io.Closeable;
-import java.io.IOException;
-import java.util.Set;
-
-import redis.clients.jedis.Jedis;
-import redis.clients.jedis.JedisPool;
-import redis.clients.jedis.JedisPoolConfig;
-
-public class RedisClient implements Closeable {
-
-    public JedisPool pool;
-
-    /**
-     * 生成多线程共享的使用的jedis对象。
-     * @param redisConnect 诸如127.0.0.1:6379的HOST:PORT连接字符串
-     */
-    public RedisClient(String redisConnect) {
-        HostPort hostPort = new HostPort(redisConnect, "127.0.0.1", 6379);
-        pool = new JedisPool(new JedisPoolConfig(), hostPort.getHost(), hostPort.getPort());
-    }
-
-    public RedisClient(String host, int port) {
-        pool = new JedisPool(new JedisPoolConfig(), host, port);
-    }
-
-
-
-    public String get(String key) {
-        Jedis jedis = pool.getResource();
-        try {
-            return jedis.get(key);
-        } finally {
-            pool.returnResource(jedis);
-        }
-    }
-
-    public String set(String key, String value) {
-        Jedis jedis = pool.getResource();
-        try {
-            return jedis.set(key, value);
-        } finally {
-            pool.returnResource(jedis);
-        }
-    }
-
-    public String setex(String key, int seconds, String value) {
-        Jedis jedis = pool.getResource();
-        try {
-            return jedis.setex(key, seconds, value);
-        } finally  {
-            pool.returnResource(jedis);
-        }
-    }
-
-    public Long incr(String key) {
-        Jedis jedis = pool.getResource();
-        try {
-            return jedis.incr(key);
-        } finally  {
-            pool.returnResource(jedis);
-        }
-    }
-
-    public void expire(String key, int seconds) {
-        Jedis jedis = pool.getResource();
-        try {
-            jedis.expire(key, seconds);
-        }
-        finally  {
-            pool.returnResource(jedis);
-        }
-    }
-
-    public Set<String> keys(String pattern) {
-        Jedis jedis = pool.getResource();
-        try {
-            return jedis.keys(pattern);
-        }
-        finally  {
-            pool.returnResource(jedis);
-        }
-    }
-
-    @Override
-    public void close() throws IOException {
-        pool.destroy();
-    }
-
-}
+package org.n3r.shorturl.redis;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.Set;
+
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.JedisPool;
+import redis.clients.jedis.JedisPoolConfig;
+
+public class RedisClient implements Closeable {
+
+    public JedisPool pool;
+
+    /**
+     * 生成多线程共享的使用的jedis对象。
+     * @param redisConnect 诸如127.0.0.1:6379的HOST:PORT连接字符串
+     */
+    public RedisClient(String redisConnect) {
+        HostPort hostPort = new HostPort(redisConnect, "127.0.0.1", 6379);
+        pool = new JedisPool(new JedisPoolConfig(), hostPort.getHost(), hostPort.getPort());
+    }
+
+    public RedisClient(String host, int port) {
+        pool = new JedisPool(new JedisPoolConfig(), host, port);
+    }
+
+
+
+    public String get(String key) {
+        Jedis jedis = pool.getResource();
+        try {
+            return jedis.get(key);
+        } finally {
+            pool.returnResource(jedis);
+        }
+    }
+
+    public String set(String key, String value) {
+        Jedis jedis = pool.getResource();
+        try {
+            return jedis.set(key, value);
+        } finally {
+            pool.returnResource(jedis);
+        }
+    }
+
+    public String setex(String key, int seconds, String value) {
+        Jedis jedis = pool.getResource();
+        try {
+            return jedis.setex(key, seconds, value);
+        } finally  {
+            pool.returnResource(jedis);
+        }
+    }
+
+    public Long incr(String key) {
+        Jedis jedis = pool.getResource();
+        try {
+            return jedis.incr(key);
+        } finally  {
+            pool.returnResource(jedis);
+        }
+    }
+
+    public void expire(String key, int seconds) {
+        Jedis jedis = pool.getResource();
+        try {
+            jedis.expire(key, seconds);
+        }
+        finally  {
+            pool.returnResource(jedis);
+        }
+    }
+
+    public Set<String> keys(String pattern) {
+        Jedis jedis = pool.getResource();
+        try {
+            return jedis.keys(pattern);
+        }
+        finally  {
+            pool.returnResource(jedis);
+        }
+    }
+
+    public void close() throws IOException {
+        pool.destroy();
+    }
+
+}